CN108558213A - Fluorescent glass ceramic material, method for manufacturing same, and light emitting device including same - Google Patents
Fluorescent glass ceramic material, method for manufacturing same, and light emitting device including same Download PDFInfo
- Publication number
- CN108558213A CN108558213A CN201810074684.8A CN201810074684A CN108558213A CN 108558213 A CN108558213 A CN 108558213A CN 201810074684 A CN201810074684 A CN 201810074684A CN 108558213 A CN108558213 A CN 108558213A
- Authority
- CN
- China
- Prior art keywords
- weight
- ceramic material
- glass ceramic
- fluorescent
- fluorescent glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006112 glass ceramic composition Substances 0.000 title claims abstract description 91
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 14
- 239000011521 glass Substances 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000000843 powder Substances 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 16
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 15
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 15
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 9
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 9
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 9
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005245 sintering Methods 0.000 claims description 13
- 229910003564 SiAlON Inorganic materials 0.000 claims description 12
- 229910052909 inorganic silicate Inorganic materials 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 abstract description 7
- 239000005022 packaging material Substances 0.000 abstract 1
- 238000004383 yellowing Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 description 17
- 238000010183 spectrum analysis Methods 0.000 description 7
- 230000036962 time dependent Effects 0.000 description 6
- 239000008393 encapsulating agent Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 238000002189 fluorescence spectrum Methods 0.000 description 3
- 239000002241 glass-ceramic Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910019655 synthetic inorganic crystalline material Inorganic materials 0.000 description 3
- 229910019990 cerium-doped yttrium aluminum garnet Inorganic materials 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/006—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of microcrystallites, e.g. of optically or electrically active material
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/58—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing copper, silver or gold
- C09K11/582—Chalcogenides
- C09K11/584—Chalcogenides with zinc or cadmium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7774—Aluminates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/56—Materials, e.g. epoxy or silicone resin
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/16—Microcrystallites, e.g. of optically or electrically active material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Glass Compositions (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention provides a fluorescent glass ceramic material, a manufacturing method thereof and a light-emitting device comprising the same. The fluorescent glass ceramic material comprises a glass material and fluorescent powder, wherein the glass material comprises SiO2、Al2O3、Na2O、K2O, CaO and B2O3. The fluorescent glass ceramic material, the manufacturing method thereof and the light-emitting device comprising the fluorescent glass ceramic material can avoid the problems of deterioration and yellowing caused by the traditional packaging material, thereby improving the light-emitting efficiency of the light-emitting device.
Description
Technical field
The present invention relates to a kind of glass ceramic material, its manufacturing method and light-emitting devices, are related to a kind of fluorescent glass pottery especially
Ceramic material, its manufacturing method and light-emitting device.
Background technology
Light emitting diode (light emitting diode, LED) is in addition to low power consuming, small, brightness is high, uses
The advantages that long lifespan and one kind meeting environmental protection and energy-efficient green light source.In general, include the luminous dress of light emitting diode
Set mainly with fluorescent powder and resin-bonded at encapsulating material be packaged, however the encapsulating material is under long-time use
There is the problem of deterioration and yellow, and then reduces the luminous efficiency of light-emitting device.
Invention content
The present invention provides a kind of fluorescent glass ceramic material, its manufacturing method and the light-emitting device including it, can avoid passing
Unite encapsulating material caused by deterioration and yellow the problem of, and then improve light-emitting device luminous efficiency.
The present invention proposes a kind of fluorescent glass ceramic material, including glass material and fluorescent powder.Glass material includes
SiO2、Al2O3、Na2O、K2O, CaO and B2O3。
In one embodiment of this invention, in above-mentioned fluorescent glass ceramic material, with glass material and fluorescent powder
Total weight, glass material can be 90 weight % to 99 weight %, and fluorescent powder can be 1 weight % to 10 weight %.
In one embodiment of this invention, in above-mentioned fluorescent glass ceramic material, glass material may include 67.2 weights
Measure the SiO of % to 82.1 weight %2, 6.5 weight % to 8 weight % Al2O3, 5.5 weight % to 6.7 weight % Na2O、
The K of 1.7 weight % to 2.1 weight %2O, the CaO and 8.4 weight % of 0.7 weight % to 0.9 weight % is to 10.3 weight %'s
B2O3。
In one embodiment of this invention, in above-mentioned fluorescent glass ceramic material, fluorescent powder may include (Y, Lu,
Gd)3(Al,Ga)5O12:Ce3+、(Ca,Sr,Ba)2Si5N8:Eu2+、(Sr,Ca)AlSiN3:Eu2+、α-SiAlON:Eu2+、β-
SiAlON:Eu2+、(Ca,Sr,Ba)2SiO4:Eu2+、(Ca,Sr,Ba)Si2O2N2:Eu2+Or K2(Si,Ti)F6:Mn4+。
The present invention proposes a kind of manufacturing method of fluorescent glass ceramic material, includes the following steps.To glass material with it is glimmering
Light powder carries out mixed processing, and to form mixture, wherein glass material includes SiO2、Al2O3、Na2O、K2O, CaO and B2O3.It is right
Mixture is sintered.Cooling processing is carried out to the mixture after sintering processes, and obtains fluorescent glass ceramic material.
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, glass material
Material may include 67.2 weight % to the SiO of 82.1 weight %2, 6.5 weight % to 8 weight % Al2O3, 5.5 weight % to 6.7
The Na of weight %2O, the K of 1.7 weight % to 2.1 weight %2O, the CaO and 8.4 weight % of 0.7 weight % to 0.9 weight % be extremely
The B of 10.3 weight %2O3。
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, fluorescent powder
It may include (Y, Lu, Gd)3(Al,Ga)5O12:Ce3+、(Ca,Sr,Ba)2Si5N8:Eu2+、(Sr,Ca)AlSiN3:Eu2+、α-
SiAlON:Eu2+、β-SiAlON:Eu2+、(Ca,Sr,Ba)2SiO4:Eu2+、(Ca,Sr,Ba)Si2O2N2:Eu2+Or K2(Si,Ti)
F6:Mn4+。
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, mixing
In processing, with the total weight of glass material and fluorescent powder, e.g. by 90 weight % to the glass material and 1 of 99 weight %
The fluorescent powder of weight % to 10 weight % mixes.
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, burnt
Sintering temperature when knot processing can be 800 DEG C~1200 DEG C.
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, at cooling
Reason is, for example, to use Temperature fall method.
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, can more it wrap
It includes after mixed processing, and before sintering processes, mixture is carried using carrying tablet.
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, carrying tablet
E.g. quartzy cotton piece.
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, can more it wrap
It includes after cooling processing, fluorescent glass ceramic material is made to be detached with carrying tablet.
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, can more it wrap
It includes and fluorescent glass ceramic material is cut into sheet.
Described in one embodiment of the invention, in the manufacturing method of above-mentioned fluorescent glass ceramic material, sheet
Fluorescent glass ceramic material thickness can be 0.01 millimeter (mm) to 10 millimeters.
The present invention proposes a kind of light-emitting device, including light emitting diode and above-mentioned fluorescent glass ceramic material.Fluorescence glass
Glass ceramic material covers light emitting diode.
Described in one embodiment of the invention, in above-mentioned light-emitting device, the wavelength of light emitting diode can be received for 254
Rice (nm) is to 480 nanometers.
Described in one embodiment of the invention, in above-mentioned light-emitting device, the shape of fluorescent glass ceramic material can
For sheet.
Based on above-mentioned, in fluorescent glass ceramic material proposed by the invention and its manufacturing method, due to above-mentioned fluorescence
Glass ceramic material includes glass material and fluorescent powder, and glass material includes SiO2、Al2O3、Na2O、K2O, CaO and B2O3, because
This can have high thermal stability, high-cooling property, high light transmittance, and then be avoided that the deterioration caused by conventional encapsulant and Huang
The problem of change.Further, since light-emitting device proposed by the invention is luminous to cover by above-mentioned fluorescent glass ceramic material
Diode, therefore can have preferable luminous efficiency.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and coordinate shown attached drawing
It is described in detail below.
Description of the drawings
Fig. 1 is the schematic diagram of the fluorescent glass ceramic material of one embodiment of the invention.
Fig. 2 is the flow chart of the manufacturing method of the fluorescent glass ceramic material of one embodiment of the invention.
Fig. 3 is the schematic diagram of the light-emitting device of one embodiment of the invention.
Fig. 4 is the fluorescence spectrum of the fluorescent glass ceramic material obtained by experimental example 1.
Fig. 5 is the alternating temperature spectrum of the fluorescent glass ceramic material obtained by experimental example 1.
Fig. 6 is the fluorescent glass ceramic material and general business fluorescent powder YAG obtained by experimental example 1:Ce3+Progress
Alternating temperature spectrum after standardization.
Fig. 7 is the constant current electroexcitation spectrum of the light-emitting device obtained by experimental example 2 to 4.
Fig. 8 is the constant current electroexcitation spectrum of the light-emitting device obtained by experimental example 5 to 7.
Fig. 9 is the time-dependent current electroexcitation spectrum of the light-emitting device obtained by experimental example 3.
Figure 10 is the time-dependent current electroexcitation spectrum of the light-emitting device obtained by experimental example 6.
Reference sign：
100：Fluorescent glass ceramic material
110：Glass material
120：Fluorescent powder
200：Light-emitting device
210：Light emitting diode
S100、S110、S120、S130、S140、S150：Step
Specific implementation mode
Fig. 1 is the schematic diagram of the fluorescent glass ceramic material of one embodiment of the invention.
Fig. 1 is please referred to, fluorescent glass ceramic material 100 includes glass material 110 and fluorescent powder 120.Fluorescent glass is made pottery
The shape of ceramic material 100 can be sheet.With the total weight of glass material 110 and fluorescent powder 120, glass material 110 can be
90 weight % to 99 weight %, and fluorescent powder 120 can be 1 weight % to 10 weight %.
Glass material 110 includes SiO2、Al2O3、Na2O、K2O, CaO and B2O3(it can also use SiO2-Al2O3-Na2O-K2O-
CaO-B2O3To indicate).Glass material may include 67.2 weight % to the SiO of 82.1 weight %2, 6.5 weight % to 8 weight %
Al2O3, 5.5 weight % to 6.7 weight % Na2O, the K of 1.7 weight % to 2.1 weight %2O, 0.7 weight % to 0.9 weight
Measure the B of the CaO and 8.4 weight % to 10.3 weight % of %2O3。
In addition, fluorescent powder 120 may include (Y, Lu, Gd)3(Al,Ga)5O12:Ce3+、(Ca,Sr,Ba)2Si5N8:Eu2+、(Sr,
Ca)AlSiN3:Eu2+、α-SiAlON:Eu2+、β-SiAlON:Eu2+、(Ca,Sr,Ba)2SiO4:Eu2+、(Ca,Sr,Ba)Si2O2N2:
Eu2+Or K2(Si,Ti)F6:Mn4+。
Based on above-described embodiment it is found that since fluorescent glass ceramic material 100 includes glass material 110 and fluorescent powder 120,
And glass material 110 includes SiO2、Al2O3、Na2O、K2O, CaO and B2O3, therefore can have high thermal stability, high-cooling property, height
Translucency, and then the problem of be avoided that the deterioration caused by conventional encapsulant and yellow.In addition, fluorescent glass ceramic material
100 can apply in the encapsulation of the light-emitting devices such as LED, and have good optical appearance after optic test, so that
Light-emitting device with fluorescent glass ceramic material 100 can be applied in high power illumination and all kinds of screen displays.
Fig. 2 is the flow chart of the manufacturing method of the fluorescent glass ceramic material of one embodiment of the invention.
The manufacturing method of the fluorescent glass ceramic material of the present embodiment is for making the fluorescent glass ceramic material of Fig. 1
100 illustrate, but the present invention is not limited thereto.The detailed description of each component of fluorescent glass ceramic material 100 can be joined
According to the explanation of above-described embodiment, it is not repeated to illustrate in this.
Fig. 1 and Fig. 2 are please referred to, step S100 is carried out, mixed processing is carried out to glass material 110 and fluorescent powder 120, with shape
Resulting mixture, wherein glass material 110 include SiO2、Al2O3、Na2O、K2O, CaO and B2O3.For example, in mixed processing
In, it, can be by the glass material of 90 weight % to 99 weight % and 1 weight % extremely with the total weight of glass material and fluorescent powder
The fluorescent powder of 10 weight % mixes.
Glass material 110 in the mixture may include 67.2 weight % to the SiO of 82.1 weight %2, 6.5 weight % extremely
The Al of 8 weight %2O3, 5.5 weight % to 6.7 weight % Na2O, the K of 1.7 weight % to 2.1 weight %2O, 0.7 weight %
To the B of the CaO and 8.4 weight % to 10.3 weight % of 0.9 weight %2O3。
In addition, fluorescent powder 120 in the mixture may include (Y, Lu, Gd)3(Al,Ga)5O12:Ce3+、(Ca,Sr,Ba)2Si5N8:Eu2+、(Sr,Ca)AlSiN3:Eu2+、α-SiAlON:Eu2+、β-SiAlON:Eu2+、(Ca,Sr,Ba)2SiO4:Eu2+、
(Ca,Sr,Ba)Si2O2N2:Eu2+Or K2(Si,Ti)F6:Mn4+。
Step S110 is optionally carried out, mixture is carried using carrying tablet.Carrying tablet is, for example, quartzy cotton piece.
Step S120 is carried out, mixture is sintered.Sintering temperature when being sintered can be 800 DEG C~
1200 DEG C, such as 900 DEG C.For example, sintering processes may include the following steps.First, mixture is placed in high temperature furnace, then existed
It is heated up with 5 DEG C of heating rate per minute in air atmosphere, and temperature is held respectively when temperature rise to 300 DEG C and 600 DEG C
30 minutes.Finally, when being warming up to 900 DEG C with 5 DEG C of heating rate per minute, temperature is held 4 hours.
Step S130 is carried out, cooling processing is carried out to the mixture after sintering processes, and obtains fluorescent glass ceramics material
Material 100.Cooling processing is, for example, that the temperature of the mixture after sintering processes is down to room temperature using Temperature fall method.It is real herein
It applies in example, the fluorescent glass ceramic material 100 obtained can be bulk.
Step S140 is optionally carried out, fluorescent glass ceramic material 100 is made to be detached with carrying tablet.
Step S150 is optionally carried out, fluorescent glass ceramic material 100 is cut into sheet.The wherein fluorescence of sheet
The thickness of glass ceramic material is, for example, 0.01mm to 10mm.
Based on above-described embodiment it is found that the fluorescent glass produced by the manufacturing method of fluorescent glass ceramic material 100 is made pottery
Ceramic material 100 can have high thermal stability, high-cooling property, high light transmittance, and then be avoided that bad caused by conventional encapsulant
The problem of change and yellow.In addition, fluorescent glass ceramic material 100 can apply in the encapsulation of the light-emitting devices such as LED, and pass through
There is good optical appearance, so that the light-emitting device with fluorescent glass ceramic material 100 can be applied after optic test
In high power illumination and all kinds of screen displays.
Fig. 3 is the schematic diagram of the light-emitting device of one embodiment of the invention.
Hereinafter, illustrating the embodiment that the fluorescent glass ceramic material 100 of Fig. 1 is applied to light-emitting device by Fig. 3.This
Outside, identical element and is not repeated to illustrate with identical symbolic indication in Fig. 3 and Fig. 1.
Fig. 3 is please referred to, light-emitting device 200 includes light emitting diode 210 and fluorescent glass ceramic material 100, wherein glimmering
Light glass ceramic material 100 covers light emitting diode 210.The wavelength of light emitting diode can be 254nm to 480nm.
Based on above-described embodiment it is found that since light-emitting device 200 uses fluorescent glass ceramic material 100 to be used as package material
The problem of expecting, therefore can avoid the deterioration and yellow caused by conventional encapsulant, and there is good optical appearance, thus
It can be applicable to high power illumination and all kinds of screen displays.
Hereinafter, by experimental example come the effect of confirming above-described embodiment, but the range Bing Bu Authority of the present invention are limited in following
Hold.
<Experimental example>
<Experimental example 1 to the fluorescent glass ceramic material of experimental example 7 preparation method>
First, according to the type and weight of glass material shown in the following table 1 and fluorescent powder, to glass material and fluorescent powder into
Row mixed processing, to form mixture.Glass material uses SiO2-Al2O3-Na2O-K2O-CaO-B2O3, wherein glass material packet
Include the SiO of 74.64 weight %2, 7.27 weight % Al2O3, 6.06 weight % Na2O, the K of 1.91 weight %2O, 0.79 weight
Measure the B of the CaO and 9.32 weight % of %2O3。
Table 1
Then, experimental example 1 is carried respectively to the mixture of experimental example 7 using quartzy cotton piece.Then, mixture is placed in high
Warm stove is sintered, and wherein sintering processes include the following steps.With 5 DEG C per minute of heating rate liter in air atmosphere
Temperature, and when temperature rise to 300 DEG C and 600 DEG C, temperature is held respectively 30 minutes.Finally, with 5 DEG C of heating rate per minute
When being warming up to 900 DEG C, temperature is held 4 hours.
Later, the mixture after sintering processes of experimental example 1 to experimental example 7 is carried out at cooling with Temperature fall method
Reason, makes temperature be reduced to room temperature, and forms block-like fluorescent glass ceramic material.Followed by, make quartzy cotton piece and block-like fluorescence
Glass ceramic material detaches.Furthermore block-like fluorescent glass ceramic material is cut into sheet, wherein experimental example 1 to experimental example 7
The thickness of obtained fluorescent glass potsherd is as shown in table 1.
<Spectrofluorimetry>
Fig. 4 is the fluorescence spectrum of the fluorescent glass ceramic material obtained by experimental example 1.
Spectrofluorimetry is carried out to the fluorescent glass ceramic material obtained by experimental example 1, the results are shown in Figure 4, experiment
The fluorescent glass ceramic material of example 1 and general business fluorescent powder YAG:Ce3+Fluorescence spectrum it is roughly the same.
<Alternating temperature spectrum analysis>
Fig. 5 is the alternating temperature spectrum of the fluorescent glass ceramic material obtained by experimental example 1.Fig. 6 is obtained by experimental example 1
Fluorescent glass ceramic material and general business fluorescent powder YAG:Ce3+Be standardized after alternating temperature spectrum.
To the fluorescent glass potsherd and fluorescent powder YAG obtained by experimental example 1:Ce3+Alternating temperature spectrum analysis is carried out respectively.
According to Fig. 5's as a result, temperature change is to wavelength value of the fluorescent glass potsherd at wave crest obtained by experimental example 1
Influence is very small, so illustrating that the fluorescent glass potsherd has very high thermal stability.
Fig. 6 is the fluorescent glass potsherd and general business fluorescent powder YAG obtained by experimental example 1:Ce3+Carry out standard
Alternating temperature spectrum after change.According to Fig. 6's as a result, when temperature is identical, the standardization of the fluorescent glass potsherd of experimental example 1 shines
Intensity is larger, so illustrating that the fluorescent glass potsherd has high-cooling property.
<Experimental example 2 to the light-emitting device of experimental example 7 preparation method>
The fluorescent glass potsherd of above-mentioned experimental example 2 to 7 is covered each by same light emitting diode, to be fabricated to six
A light-emitting device, and the wavelength for the light that wherein light emitting diode is sent out is 450nm to 460nm.
<Constant current electroexcitation spectrum analysis>
Fig. 7 is the constant current electroexcitation spectrum of the light-emitting device obtained by experimental example 2 to 4.Fig. 8 is 5 to 7 institute of experimental example
The constant current electroexcitation spectrum of light-emitting device obtained.
Carry out constant current electroexcitation spectrum analysis, result such as Fig. 7 respectively to the light-emitting device comprising experimental example 2 to 4
It is shown.In addition, the light-emitting device of experimental example 5 to 7 to be carried out to constant current electroexcitation spectrum analysis respectively, the results are shown in Figure 8.
Wherein, in Fig. 7 and Fig. 8, left side is the spectrum of light emitting diode, and right side is the spectrum of fluorescent glass potsherd.In addition, root
According to Fig. 7 and Fig. 8 it is found that when the thickness of fluorescent glass potsherd increases, the luminous intensity of light emitting diode reduces, and fluorescence glass
The luminous intensity of glass potsherd is relatively high, so light-emitting device can be changed by being adjusted by the thickness of fluorescent glass potsherd
Luminescent color.
<Cie color is analyzed>
International Commission on Illumination (CIE) colorimetric analysis, result such as 2 institute of table are carried out to the light-emitting device of experimental example 2 to 7
Show.
Table 2
According to table 2 it is found that hair can be changed by being adjusted by the thickness of the fluorescent glass potsherd obtained by experimental example 2 to 7
The luminescent color of electro-optical device.
<Time-dependent current electroexcitation spectrum analysis>
Fig. 9 is the time-dependent current electroexcitation spectrum of the light-emitting device obtained by experimental example 3.Figure 10 is obtained by experimental example 6
Light-emitting device time-dependent current electroexcitation spectrum.
Time-dependent current electroexcitation spectrum analysis, result point are carried out to the light-emitting device obtained by experimental example 3 and experimental example 6
Not not as shown in Figures 9 and 10.In Fig. 9 and Figure 10, left side is the spectrum of light emitting diode, and right side is fluorescent glass ceramics
The spectrum of piece.In addition, according to the result of Fig. 9 and Figure 10 it is found that curent change is to the fluorescence obtained by experimental example 3 and experimental example 6
Glass ceramics piece and wavelength value influence of the light emitting diode at wave crest are very small, so illustrating curent change to experimental example 3
With the influence very little of the luminescent color of the light-emitting device of experimental example 6.
<Luminous efficiency is tested>
Luminous efficiency test is carried out to the light-emitting device obtained by experimental example 2 to 7, the results are shown in Table 3.
Table 3
According to table 3 it is found that the light-emitting device obtained by experimental example 2 to 7 has very high luminous efficiency.
In conclusion in the fluorescent glass ceramic material of above-described embodiment, its manufacturing method and including its light-emitting device
In, since the glass material in fluorescent glass ceramic material has specific composition, it can avoid conventional encapsulant and made
At deterioration and yellow the problem of, and then improve light-emitting device luminous efficiency.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any people in the art
Member, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore protection scope of the present invention is when regarding
Subject to those as defined in claim.
Claims (18)
1. a kind of fluorescent glass ceramic material, which is characterized in that including：
Glass material, including SiO2、Al2O3、Na2O、K2O, CaO and B2O3；And
Fluorescent powder.
2. fluorescent glass ceramic material according to claim 1, which is characterized in that with the glass material and described glimmering
The total weight of light powder, the glass material is 90 weight % to 99 weight %, and the fluorescent powder is 1 weight % to 10 weights
Measure %.
3. fluorescent glass ceramic material according to claim 1, which is characterized in that the glass material includes 67.2 weights
Measure the SiO of % to 82.1 weight %2, 6.5 weight % to 8 weight % Al2O3, 5.5 weight % to 6.7 weight % Na2O、
The K of 1.7 weight % to 2.1 weight %2O, the CaO and 8.4 weight % of 0.7 weight % to 0.9 weight % is to 10.3 weight %'s
B2O3。
4. fluorescent glass ceramic material according to claim 1, which is characterized in that the fluorescent powder includes (Y, Lu, Gd)3
(Al,Ga)5O12:Ce3+、(Ca,Sr,Ba)2Si5N8:Eu2+、(Sr,Ca)AlSiN3:Eu2+、α-SiAlON:Eu2+、β-SiAlON:
Eu2+、(Ca,Sr,Ba)2SiO4:Eu2+、(Ca,Sr,Ba)Si2O2N2:Eu2+Or K2(Si,Ti)F6:Mn4+。
5. a kind of manufacturing method of fluorescent glass ceramic material, which is characterized in that including：
Mixed processing is carried out to glass material and fluorescent powder, to form mixture, wherein the glass material includes SiO2、
Al2O3、Na2O、K2O, CaO and B2O3；
The mixture is sintered；And
Cooling processing is carried out to the mixture after sintering processes, and obtains fluorescent glass ceramic material.
6. the manufacturing method of fluorescent glass ceramic material according to claim 5, which is characterized in that the glass material packet
67.2 weight % are included to the SiO of 82.1 weight %2, 6.5 weight % to 8 weight % Al2O3, 5.5 weight % to 6.7 weight %
Na2O, the K of 1.7 weight % to 2.1 weight %2O, the CaO and 8.4 weight % to 10.3 weights of 0.7 weight % to 0.9 weight %
Measure the B of %2O3。
7. the manufacturing method of fluorescent glass ceramic material according to claim 5, which is characterized in that the fluorescent powder includes
(Y,Lu,Gd)3(Al,Ga)5O12:Ce3+、(Ca,Sr,Ba)2Si5N8:Eu2+、(Sr,Ca)AlSiN3:Eu2+、α-SiAlON:Eu2+、
β-SiAlON:Eu2+、(Ca,Sr,Ba)2SiO4:Eu2+、(Ca,Sr,Ba)Si2O2N2:Eu2+、K2(Si,Ti)F6:Mn4+。
8. the manufacturing method of fluorescent glass ceramic material according to claim 5, which is characterized in that in the mixed processing
In, with the total weight of the glass material and the fluorescent powder, by 90 weight % to the glass material of 99 weight %
It is mixed with the fluorescent powder of 1 weight % to 10 weight %.
9. the manufacturing method of fluorescent glass ceramic material according to claim 5, which is characterized in that carry out at the sintering
Sintering temperature when reason is 800 DEG C~1200 DEG C.
10. the manufacturing method of fluorescent glass ceramic material according to claim 5, which is characterized in that the cooling processing
Including using Temperature fall method.
11. the manufacturing method of fluorescent glass ceramic material according to claim 5, which is characterized in that further include described
After mixed processing, and before the sintering processes, the mixture is carried using carrying tablet.
12. the manufacturing method of fluorescent glass ceramic material according to claim 11, which is characterized in that the carrying tablet packet
Include quartzy cotton piece.
13. the manufacturing method of fluorescent glass ceramic material according to claim 11, which is characterized in that further include described
After cooling processing, the fluorescent glass ceramic material is made to be detached with the carrying tablet.
14. the manufacturing method of fluorescent glass ceramic material according to claim 5, which is characterized in that further including will be described
Fluorescent glass ceramic material is cut into sheet.
15. the manufacturing method of fluorescent glass ceramic material according to claim 14, which is characterized in that sheet it is described glimmering
Light glass ceramic material thickness is 0.01 millimeter to 10 millimeters.
16. a kind of light-emitting device, which is characterized in that including：
Light emitting diode；And
Fluorescent glass ceramic material according to claim 1, covers the light emitting diode.
17. light-emitting device according to claim 16, which is characterized in that the wavelength of the light emitting diode is 254 nanometers
To 480 nanometers.
18. light-emitting device according to claim 16, which is characterized in that the shape of the fluorescent glass ceramic material includes
Sheet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106134425A TWI657064B (en) | 2017-10-05 | 2017-10-05 | Fluorescent glass-ceramic material, method for manufaturing the same, and light emitting device including the same |
| TW106134425 | 2017-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108558213A true CN108558213A (en) | 2018-09-21 |
Family
ID=63529949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810074684.8A Pending CN108558213A (en) | 2017-10-05 | 2018-01-25 | Fluorescent glass ceramic material, method for manufacturing same, and light emitting device including same |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20190106621A1 (en) |
| CN (1) | CN108558213A (en) |
| TW (1) | TWI657064B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272208A (en) * | 2019-07-18 | 2019-09-24 | 浙江大学 | A kind of green fluorescence glass ceramics and its preparation method and application |
| CN110316963A (en) * | 2019-05-17 | 2019-10-11 | 有研稀土新材料股份有限公司 | A kind of fluorescent glass ceramic material and the light emitting device containing the material |
| CN113054082A (en) * | 2019-12-27 | 2021-06-29 | 鑫虹光电有限公司 | Fluorescent glass composite material, fluorescent glass substrate comprising same, and light conversion device |
| CN115895655A (en) * | 2022-09-15 | 2023-04-04 | 包头稀土研究院 | Light-modifying material, method for producing same, and use thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI740329B (en) * | 2019-12-27 | 2021-09-21 | 鑫虹光電有限公司 | Fluorescent glass composite material, fluorescent glass substrate including the same, and light conversion device |
| CN113292314B (en) * | 2021-06-10 | 2022-07-05 | 穆棱市隆森特新材料科技有限责任公司 | Inorganic energy-storage ceramic noctilucent material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1572745A (en) * | 2003-06-06 | 2005-02-02 | 肖特玻璃制造厂 | Uv-radiation absorbing glass with high chemical resistance, especially for a fluorescent lamp, and methods of making and using same |
| CN107056068A (en) * | 2017-03-29 | 2017-08-18 | 广东工业大学 | Glass material, fluorescent glass ceramic material and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004027119A1 (en) * | 2003-06-06 | 2004-12-30 | Schott Ag | Production of a UV-absorbed glass used in the production of gas discharge lamps, fluorescent lamps, xenon lamps, LCD displays, computer monitors and telephone displays comprises melting a raw material and producing a melt |
| US20140179509A1 (en) * | 2012-12-22 | 2014-06-26 | Università di Padova | Porous glass ceramic composition and method for manufacturing the same |
| US9434876B2 (en) * | 2014-10-23 | 2016-09-06 | Central Glass Company, Limited | Phosphor-dispersed glass |
| KR20170105532A (en) * | 2015-01-21 | 2017-09-19 | 미쯔비시 케미컬 주식회사 | Sintered phosphor, light emitting device, illumination device, vehicle headlamp, and method for manufacturing sintered phosphor |
| JP6740616B2 (en) * | 2015-09-15 | 2020-08-19 | 日本電気硝子株式会社 | Wavelength conversion member and light emitting device |
| TWI622560B (en) * | 2016-01-28 | 2018-05-01 | 中原大學 | borate glass, method for manufacturing the same and applications thereof |
| CN106016179A (en) * | 2016-05-12 | 2016-10-12 | 华南师范大学 | Fluorescent glass based white LED and preparation method thereof |
-
2017
- 2017-10-05 TW TW106134425A patent/TWI657064B/en active
-
2018
- 2018-01-25 US US15/880,508 patent/US20190106621A1/en not_active Abandoned
- 2018-01-25 CN CN201810074684.8A patent/CN108558213A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1572745A (en) * | 2003-06-06 | 2005-02-02 | 肖特玻璃制造厂 | Uv-radiation absorbing glass with high chemical resistance, especially for a fluorescent lamp, and methods of making and using same |
| CN107056068A (en) * | 2017-03-29 | 2017-08-18 | 广东工业大学 | Glass material, fluorescent glass ceramic material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316963A (en) * | 2019-05-17 | 2019-10-11 | 有研稀土新材料股份有限公司 | A kind of fluorescent glass ceramic material and the light emitting device containing the material |
| CN110272208A (en) * | 2019-07-18 | 2019-09-24 | 浙江大学 | A kind of green fluorescence glass ceramics and its preparation method and application |
| CN113054082A (en) * | 2019-12-27 | 2021-06-29 | 鑫虹光电有限公司 | Fluorescent glass composite material, fluorescent glass substrate comprising same, and light conversion device |
| CN115895655A (en) * | 2022-09-15 | 2023-04-04 | 包头稀土研究院 | Light-modifying material, method for producing same, and use thereof |
| CN115895655B (en) * | 2022-09-15 | 2023-10-31 | 包头稀土研究院 | Light-modifying material, method for producing same, and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201914975A (en) | 2019-04-16 |
| US20190106621A1 (en) | 2019-04-11 |
| TWI657064B (en) | 2019-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108558213A (en) | Fluorescent glass ceramic material, method for manufacturing same, and light emitting device including same | |
| KR101806054B1 (en) | Phosphor-dispersed glass | |
| Yang et al. | Facile fabrication and luminescence characteristics of Ce: YAG phosphor glass thick films coated on a glass substrate for white LEDs | |
| JP6275829B2 (en) | Light emitting device | |
| US8044410B2 (en) | White light-emitting diode and its light conversion layer | |
| TW201015170A (en) | System and method for configuring LED BLU with high NTSC | |
| Cao et al. | A WLED based on LuAG: Ce3+ PiG coated red-emitting K2SiF6: Mn4+ phosphor by screen-printing | |
| CN107235629A (en) | Glass material, fluorescent composite material, and light-emitting device | |
| CN107365070A (en) | A kind of white light LEDs red green composite fluorescence glass and preparation method thereof | |
| KR101496718B1 (en) | Phosphor and light emitting device | |
| CN107098582B (en) | White light luminescent glass with high thermal stability and borate matrix for LED and preparation method thereof | |
| EP3164464B1 (en) | Oxyfluoride phosphor compositions and lighting apparatus thereof | |
| CN105802618B (en) | A kind of twilight sunset tunable radiation emitting material and preparation method thereof and use its LED light device | |
| CN114574206B (en) | Fluorescent powder for white light-emitting diode and synthesis method and application thereof | |
| CN107651955A (en) | A kind of complex phase crystalline ceramics of White-light LED illumination and preparation method thereof | |
| JP2014003070A (en) | Light-emitting device and lighting apparatus | |
| TWI419956B (en) | Flourescence material and white light illumination element | |
| CN106966588B (en) | UV-LED excited white light LED compound glass and preparation method | |
| KR102496975B1 (en) | Phosphor compositions and lighting apparatus thereof | |
| KR101451169B1 (en) | Rare earth doped oxide phosphor and white light emitting diodes including oxide phosphor for solid-state lighting applications | |
| CN104592995B (en) | One is applicable to blue light activated Yellow fluorescent powder used by white light LED and preparation method thereof | |
| CN102992629B (en) | Near ultraviolet excitation white light LEDs glass ceramics and preparation method thereof | |
| US8741178B2 (en) | Blue light emitting glass and preparation method thereof | |
| Yi et al. | Full-spectrum White Light-emitting Phosphor-in-Glass for blue LED chips by adding Green-Emitting CaY 2 ZrScAl 3 O 12: Ce 3+ Phosphor | |
| Tung et al. | Thermal consequences of sintering the borosilicate matrix blue-green color release properties |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180921 |